12th Infantry Regiment
Infantry Regiment 12 or Infantry Regiment No. 12 stands for:
- Old Prussian Infantry Regiment No. 12 (1806) of the Old Prussian Army
- Line Infantry Regiment No. 12 of the New Prussian Army was the Grenadier Regiment "Prince Carl of Prussia" (2nd Brandenburg) No. 12
- Imperial and Royal Infantry Regiment “Parmann” No. 12 of the Imperial and Royal Army
- Infantry Regiment 12 (Wehrmacht) of the Wehrmacht
12th Infantry Regiment stands for:
- 12th Infantry Regiment (Reichswehr) of the Reichswehr
- Royal Bavarian 12th Infantry Regiment "Prinz Arnulf" of the Bavarian Army
